#include <stdio.h>
int main(void) {
int a,b,c,t;
scanf("%d,%d,%d\n",&a
,&b
,&c
); if(b<a){
t=b;
b=a;
a=t;
}
else if(c<b){
t=c;
c=b;
b=t;
}
else if(a<c){
t=a;
a=c;
c=t;
}
return 0;
}
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