#include <stdio.h>

int main(void) {
    int width, height;
    int i, j;

    //printf("#Enter image width:\n");
    scanf("%i", &width);
    //printf("#Enter image height:\n");
    scanf("%i", &height);

    printf("P6\n");
    printf("%i %i 255\n", width, height);
    
    for (i = 0; i < height; i++) {
        for (j = 0; j < width - i; j++) {
            printf("%c%c%c", 255, 0, 0);
        }

        for (j = 0; j < i; j++) {
            printf("%c%c%c", 0, 255, 0);
        }
    }
    
    return 0;
}