The gym teacher was recording the achievements of the students in the long jump. In the end, he calculated the average length of jumps for all 20 students and got a result of 1.90 m. But when he wanted to report to the students about their achievements, his fountain pen spilled over the achievement of one student. The achievement of this student is denoted by y. Calculate the achievement of this student if the teacher has recorded the following jump lengths of individual students:
