#include#includechar s50;int top=-1;void push(char x){ s++top=x;} char pop(){ return(stop–);}int priority(char x){ switch(x) { case ‘#’: return 0; case ‘(‘: return 1; case ‘+’: case ‘-‘: return 2; case ‘*’: case ‘/’: return 3; case ‘^’: return 4; }}void EvalPostfix(char postfx) { int i ; char ch; int val; int A, B ; for (i = 0 ; postfxi != ‘