#include <iostream>using namespace std;int main() { int x,y; float n,z; cin>>n; for(x=0;x<=n/5;x++){ for(y=0;y<=n/3;y++){ for(z=0;z<=n*3;z++){ if(5*x+3*y+z/3==n&&x+y+z==100){ cout<<"x="<&l...