April Fools Day Contest 2021


A. Is it rated - 2
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
Is it rated?
Is it rated?
Is it rated?
Output
NO
NO
NO
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B. DMCA
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
1
Output
1
Input
81
Output
9
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C. Fibonacci Words
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
HELP
Output
YES
Input
AID
Output
NO
Input
MARY
Output
NO
Input
ANNA
Output
YES
Input
MUG
Output
YES
Input
CUP
Output
NO
Input
SUM
Output
YES
Input
PRODUCT
Output
NO
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D. Xenolith? Hippodrome?
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
2 3
Output
YES
Input
3 2
Output
NO
Input
33 16
Output
YES
Input
26 5
Output
NO
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E. Cakewalk
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
4 3
*..
.*.
..*
...
Output
3
Input
4 4
.*..
*...
...*
..*.
Output
2
Input
3 4
..**
*...
....
Output
1
Input
5 5
..*..
.....
**...
**...
**...
Output
1
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F. Math
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
1
Output
1
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G. Encoded message
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

Examples
Input
1
1 0 0 1 0
Output
a
Input
10
2 0 0 1 1
1 1 1 2 1
2 1 0 1 2
1 1 0 1 1
2 1 0 2 1
1 1 1 2 1
1 2 1 3 1
2 0 0 1 1
1 1 0 1 1
1 1 2 2 2
Output
codeforcez
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H. L BREAK into program
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

No test samples are available for this problem
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I. Mysterious language again, seriously?
time limit per test: 1 second
memory limit per test: 256 megabytes
input: standard input
output: standard output

No test samples are available for this problem
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