#include <stdio.h>
#include <assert.h>

int main() {
    FILE *fr, *fw;
    int H, W, X;

    fr = fopen("input.txt", "r");
    fw = fopen("output.txt", "w");
    assert(3 == fscanf(fr, "%d %d %d", &X, &H, &W));
    
    // insert your code here
    
    fclose(fr);
    fclose(fw);
    return 0;
}