Demonstrating nested loops

/* 0707.c: Demonstrating nested loops */
#include <stdio.h>

main()
{
    int i, j;

    for (i=1; i<=3; i++) { /* outer loop */
        printf("The start of iteration %d of the outer loop.\n", i);
        for (j=1; j<=4; j++) /* inner loop */
            printf(" Iteration %d of the inner loop.\n", j);
        printf("The end of iteration %d of the outer loop.\n", i);
        }
    return 0;
}