#include<stdio.h>
int main( )
{
long long int i= 0 , n;
while ( 1 )
{ n= i;
if ( n% 7 == 3 )
{
n= n/ 7 ;
if ( n% 11 == 4 )
{
n= n/ 11 ;
if ( n% 13 == 5 )
{
break ; } } }
i++;
}
return 0 ;
}
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