#include <stdio.h>

//引数の二乗を返す関数
int square(int x){
    if(x<0){
      x=-1*x;
}
     return x*x*x;
}
//main関数
int main(void) {
    int a;
    a = -3;
    printf("%d^3 = %d\n",a,square(a));
	return 0;
}