#include <stdio.h>
int main(void) {
int a,b;
while((a < 0) || (b < 0)){
if((a < 0) || (b < 0)){
break;
}
}
int max;
if(a>b){
max = a;
}else if(a<b){
max = b;
}
while(1){
if((max%a==0) && (max%b==0)){
break;
}
max++;
}
return 0;
}
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