#include <stdio.h>
int main(void) {
// your code goes here
int n1,n2,n3,n4,max;
max=n1;
if(max<n2) max=n2;
if(max<n3) max=n3;
if(max<n4) max=n4;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCgkKCWludCBuMSxuMixuMyxuNCxtYXg7CgkKCXB1dHMoIjTjgaTjga7mlbTmlbDjgpLlhaXlipvjgZfjgabjgY/jgaDjgZXjgYTjgIIiKTsKCXNjYW5mKCIlZCIsJm4xKTsgCglzY2FuZigiJWQiLCZuMik7IAoJc2NhbmYoIiVkIiwmbjMpOwoJc2NhbmYoIiVkIiwmbjQpOwoJCgltYXg9bjE7CgkKCWlmKG1heDxuMikgbWF4PW4yOwoJaWYobWF4PG4zKSBtYXg9bjM7CglpZihtYXg8bjQpIG1heD1uNDsKCQoJcHJpbnRmKCLmnIDlpKflgKTjga8lZOOBp+OBmeOAgiIsbWF4KTsKCXJldHVybiAwOwp9Cg==