#include <stdio.h>
//練習問題A
int func(int n){
	if (n<0){
		n=-n;
	}
	return n;
}
 
int main(void) {
	int n, m = -3;
    n = func(m);
	return 0;
}
 
				I2luY2x1ZGUgPHN0ZGlvLmg+Ci8v57e057+S5ZWP6aGMQQppbnQgZnVuYyhpbnQgbil7CglpZiAobjwwKXsKCQluPS1uOwoJfQoJcmV0dXJuIG47Cn0KCmludCBtYWluKHZvaWQpIHsKCWludCBuLCBtID0gLTM7CiAgICBuID0gZnVuYyhtKTsKICAgIHByaW50ZigiJWTjga7ntbblr77lgKTjga8lZFxuIiwgbSxuKTsKCXJldHVybiAwOwp9Cg==