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Cod sursa(job #138825)
#include<iostream.h>
#include<stdio.h>
int main ()
{long int div,a,ca,b,cb,m,m2,r,truth=0;
freopen("multiplu", "rt", stdin);
freopen("multiplu.out", "wt", stdout);
scanf("%ld",&a);
scanf("%ld",&b);
ca=a; cb=b;
r=a%b;
while (r!=0) {a=b;
b=r;
r=a%b;}
m=ca*cb/b; div=1;
while (truth==0) {m2=m*div;
while (m2>0 && m2%10<=1) m2=m2/10;
if (m2==0) truth=1;
else div++;}
m=m*div;
printf ("%ld",m);
return 0;}