/in/foo.c:1:1: warning: data definition has no type or storage class
 MONEY=eval(input(""))
 ^~~~~
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'MONEY' [-Wimplicit-int]
/in/foo.c:1:7: warning: implicit declaration of function 'eval' [-Wimplicit-function-declaration]
 MONEY=eval(input(""))
       ^~~~
/in/foo.c:1:12: warning: implicit declaration of function 'input' [-Wimplicit-function-declaration]
 MONEY=eval(input(""))
            ^~~~~
/in/foo.c:1:7: error: initializer element is not constant
 MONEY=eval(input(""))
       ^~~~
/in/foo.c:2:1: error: expected ',' or ';' before 'K'
 K=MONEY//4
 ^