# Maybe you need to import the mathematical funcions 
# from Tcl with:
# eval("namespace path ::tcl::mathfunc");

void main() {
    int a, b; 
    puts("Enter two integers:");
    a = (int)(gets(stdin)); 
    b = (int)(gets(stdin)); 
    puts("${a} + ${b} = ${a+b}");
    puts("${a} - ${b} = ${a-b}");
    puts("${a} * ${b} = ${a*b}");
    puts("${a} / ${b} = ${a/b}, remainder ${a%b}");
    puts("${a} to the power of ${b} = ${(int)pow(a,b)}");
}