int main() {

char cs，cg； //define two char variables.

Int is ig, the result; //define two int variables.

scanf("%c%c "，& ampcs & amp； CG)；

is = cs-' 0 '； //Characters are converted to plastic.

ig = CG-' 0 '；

Results = (is *10+ig) *10; //calculation results

printf("%d\n "，result)； //output results

/* input 12 output 120*/

Returns 0;

}