#include <stdio.h>
 
#define MAX_ROWS 100
#define MAX_COLS 100
 
int main() {
     int a,b;
    scanf("%d %d",&a,&b);
    int i, j, k = 1;
    int mat[MAX_ROWS][MAX_COLS];
 
 
    for (i = 0; i < a; i++) {
        for (j = 0; j < b; j++) {
            mat[i][j] = k++;
        }
    }
 
 
    for (i = 0; i < a; i++) {
        for (j = 0; j < b; j++) {
            printf("%d ", mat[i][j]);
        }
        printf("\n");
    }
 
    return 0;
}

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