#include <stdio.h>
#include <math.h>
int main(void) {
int a = 1234;
int b = 45678;
int c = 0;
while(a || b)
{
if (b)
{
c=c*10 + b/m;
b = b%m;
}
if (a)
{
c=c*10+a/m;
a = a%m;
}
}
return 0;
}
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