#include <stdio.h>

int main()
{
    int stevec1, stevec2;

    for(stevec1 = 1; stevec1 <=5; stevec1++)
    {
        for(stevec2 = 1; stevec2 <= stevec1; stevec2++)
        {
            printf("%d", stevec2);
        }
        printf("\n");

    }

    return 0;
}

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