program to add two times given in hrs,mm and ss using struct

in codeblocks
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//program to add two times given in hrs,mm and ss using struct
#include <stdio.h>
#include <stdlib.h>
struct timeaddition
{
    int hrs;
    int mm;
    int ss;
}time1,time2,ttime;
int main()
{
    int totalmm;
    printf("enter first time in hrs,minutes and seconds\n");
    scanf("%d%d%d",&time1.hrs,&time1.mm,&time1.ss);
    printf("enter second time in hrs,minutes and seconds\n");
    scanf("%d%d%d",&time2.hrs,&time2.mm,&time2.ss);
    totalmm=time1.mm+time2.mm+(time1.ss+time2.ss)/60;
    ttime.ss=(time1.ss+time2.ss)%60;
    ttime.mm=totalmm%60;
    ttime.hrs=time1.hrs+time2.hrs+totalmm/60;
    printf("total hrs=%d minutes=%d and seconds=%d\n",ttime.hrs,ttime.mm,ttime.ss);
    return 0;
}