Messi - m, Umititi - u, Harry - h, Ronaldo - r
m + m +m = 15 => 3m = 15 ....(1)
m + u + u = 7 => m + 2u = 7 ....(2)
u + h + h = 3 => u + 2h = 3 ....(3)
h + r + r = 1 => h + 2r = 1 ....(4)
From (1), m = 5
From (2), u = 1
From (3), h = 1
From (4), r = 0
Ronaldo = 0 😂