#include <stdio.h>
#define SIZE 10000
 
int hi[SIZE];
 
int main(void)
{
    int i, L, H, R, maxR = 0;
 
    while (scanf("%d %d %d", &L, &H, &R) == 3) {
        for (i = L; i < R; i++) {
            if (H > hi[i])
                hi[i] = H;
        }
        if (R > maxR)
            maxR = R;
    }
 
    for (i = 1; i <= maxR; i++)
        if (hi[i] != hi[i - 1])
            printf("%d,%d ", i, hi[i]);
    //printf("%d \n", maxR);
    return 0;
}

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