#include <iostream>
#include <string>
using namespace std;
 
struct Point { int x, y; }; 
struct Line { Point a, b; };
struct Color { float r, g, b; string name; };
struct ColorfulLine { Line line; Color color; };
 
istream& operator>>(istream& in, Point& point) { return in >> point.x >> point.y; };
istream& operator>>(istream& in, Line& line) { return in >> line.a >> line.b; };
istream& operator>>(istream& in, Color& color) { return in >> color.name >> color.r >> color.g >> color.b; };
istream& operator>>(istream& in, ColorfulLine& line) { return in >> line.color >> line.line; };
 
int main() {                                                       
    Line line;                                                     
    while(cin >> line) { cout << "We've got a line!\n"; }              
 
    cin.clear();
 
    ColorfulLine color_line;                                         
    while(cin >> color_line) { cout << "We've got a colorful line!\n"; } 
 
    return 0;
}
 

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1 2    3  4
5 6    7  8 
9 10   11 12

red    1 0 0    1 2    3 4
green  0 1 0    5 6    7 8
blue   0 0 1    9 10   11 12