#include <stdio.h>

int main(void) {
	int i = 1;
	int count = 0;
	
	i = 1;
    for( count = 0; count < 3; count++) {
        if( i != 0 ) {
            i = fork();
        } else {
            break;
        }
    }

    if( i == 0 ) {
        printf("%d",count);
    }
    
	return 0;
}